§ 7-18  DESIGNATION AND THE LIKE; INTERIM SUCCESSORS.
   (A)   (1)   Within 30 days after first entering upon the duties of his or her office, the Mayor and each member of the Board shall, in addition to any duly authorized deputy, designate the number of emergency interim successors to his or her office and specify their rank in order of succession after any duly authorized deputy so that there will be not less than three duly authorized deputies or emergency interim successors or combination thereof for the office.
      (2)   All actions taken under this section shall be approved by the Mayor and Board.
   (B)   The Board shall, within the time specified in division (A) above, in addition to any duly authorized deputy, designate for appointive officers including the City Manager, Chief of Police, City Fire Chief, City Health Officer, the City Clerk and Treasurer, the number of emergency interim successors to these officers and specify their rank in order of succession after any duly authorized deputy so that there will be not less than three duly authorized deputies or emergency interim successors or combination thereof for each officer.
   (C)   The incumbent in the case of those elective officers specified in division (A) above, and the Board, in the case of those appointive officers specified in division (B) above, shall review and, as necessary, promptly revise the designations of emergency interim successors or duly authorized deputies or any combination thereof for each officer specified.
   (D)   No person shall be designated or serve as an emergency interim successor unless he or she may, under the State Constitution and statutes and the Charter or ordinances of the city, hold the office of the person to whose powers and duties he or she is designated to succeed, but no provision of any ordinance prohibiting an officer or employee of the city from holding another office shall be applicable to an emergency interim successor.
   (E)   A person designated as an emergency interim successor holds that designation at the pleasure of the designator; provided, that he or she must be replaced if removed.  He or she retains this designation as emergency interim successor until replaced by another appointed by the authorized designator.
(`86 Code, § 7-18)